CY7C277-50WMB Cypress Semiconductor Corp, CY7C277-50WMB Datasheet - Page 3

• Manufacturer Part Number: CY7C277-50WMB
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C277-50WMB

• Density: 256Kb
• Organization: 32Kx8
• Access Time (max): 25ns
• Operating Current: 130mA
• Interface Type: Parallel
• Package Type: Windowed CDIP
• Operating Temperature Classification: Military
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -55C to 125C
• Pin Count: 28
• Mounting: Through Hole
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Not Compliant

Capacitance
AC Test Loads and Waveforms
CY7C277 Switching Characteristics
OUTPUT
Equivalent to:
C
C
t
t
t
t
t
t
t
t
t
t
t
t
t
Notes:
AL
LA
LL
SA
HA
SES
HES
CO
PWC
LZC
HZC
LZE
HZE
7.
8.
Parameter
IN
OUT
INCLUDING
[7]
[8]
[8]
Applies only when the synchronous (E
Applies only when the asynchronous (E) function is used.
5V
JIG AND
SCOPE
Parameter
30 pF
(a) Normal Load
Address Set-Up to ALE Inactive
Address Hold from ALE Inactive
ALE Pulse Width
Address Set-Up to Clock HIGH
Address Hold from Clock HIGH
E
E
Clock HIGH to Output Valid
Clock Pulse Width
Output Valid from Clock HIGH
Output High Z from Clock HIGH
Output Valid from E LOW
Output High Z from E HIGH
[4]
OUTPUT
S
S
THÉ VENIN EQUIVALENT
R1 500
(658 MIL)
Set-Up to Clock HIGH
Hold from Clock HIGH
R2
333
(403
Input Capacitance
Output Capacitance
Commercial
200
Description
MIL)
C277-4
OUTPUT
S
) function is used.
Description
INCLUDING
5V
JIG AND
[4]
SCOPE
(b) High Z Load
5 pF
2.0V
Over the Operating Range
(658 MIL)
R1 500
T
V
A
(403 MIL)
CC
R2
333
= 25 C, f = 1 MHz,
= 5.0V
3
Min.
C277-6
Test Conditions
10
10
30
12
15
5
0
5
7C277-30
[3, 4]
Max.
OUTPUT
15
15
15
15
15
GND
3.0V
< 5 ns
Min.
10
10
10
40
15
10
20
0
7C277-40
Military
250
Max.
10%
ALL INPUT PULSES
20
20
20
20
20
90%
Max.
10
10
Min.
10
15
15
50
15
10
20
1.9V
0
7C277-50
CY7C277
Max.
25
30
30
30
30
90%
C277-7
10%
Unit
< 5 ns
pF
pF
C277-5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns